isql: zero divide + coredump when use "-pag 0" command switch & set heading on inside .sql script [CORE3810]

[firebird-automations]

Submitted by: @pavel-zotov

Attachments:
core-isql.zip

input file (`fld.sql`):
-----------
set heading on;
select rdb$field_name from rdb$fields;b
-----------

Try to extract all field names from new database
-- file = 'fld.sql':
create database 't1.fdb'; commit;
exit;

Command:

bash-3.2$ isql t1.fdb -pag 0 -i fld.sql > fld_o.txt
Floating point exception (core dumped)

Commits: c036c65 58dfe8a

====== Test Details ======

Crash of ISQL (not server) is reproduced when make connect by ISQL of WI-V2.5.1.26351.
After ISQL crash firebird.log contains: INET/inet_error: read errno = 10054

[firebird-automations]

Commented by: @pavel-zotov

PS. Please see attach for backtrace details

[firebird-automations]

Modified by: @pavel-zotov

Attachment: core-isql.zip [ 12126 ]

[firebird-automations]

Modified by: @hvlad

assignee: Vlad Khorsun [ hvlad ]

[firebird-automations]

Modified by: @dyemanov

Component: ISQL [ 10003 ]

[firebird-automations]

Modified by: @hvlad

status: Open [ 1 ] => Resolved [ 5 ]

resolution: Fixed [ 1 ]

Fix Version: 2.5.2 [ 10450 ]

Fix Version: 3.0 Alpha 1 [ 10331 ]

[firebird-automations]

Modified by: @hvlad

priority: Major [ 3 ] => Minor [ 4 ]

Version: 2.5.1 [ 10333 ]

Version: 2.5.0 [ 10221 ]

Version: 3.0 Initial [ 10301 ]

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Modified by: @pcisar

status: Resolved [ 5 ] => Closed [ 6 ]

[firebird-automations]

Modified by: @pavel-zotov

status: Closed [ 6 ] => Closed [ 6 ]

QA Status: Done successfully

Test Details: Crash of ISQL (not server) is reproduced when make connect by ISQL of WI-V2.5.1.26351.
After ISQL crash firebird.log contains: INET/inet_error: read errno = 10054